Incompetence of the atrioventricular valves during cardiac massage.
D000818:Animals; D003124:Colorimetry; D004285:Dogs; D004395:Dye Dilution Technique; D006336:Heart Massage / Q000009:adverse effects*; D008943:Mitral Valve / Q000503:physiopathology*; D014261:Tricuspid Valve / Q000503:physiopathology*